在三个非洲的HDSS中,怀孕报告和五岁以下儿童死亡率的偏差在三个非洲HDSS中
Hallie Eilerts-Spinelli1,2, Julio E Romero-Prieto1, Kobus Herbst3,4
1London School of Hygiene and Tropical Medicine.
Population studies
|November 12, 2025
概括
健康和人口监测系统 (HDSS) 在包括怀孕登记在内时,可以提高五岁以下死亡率 (U5M) 的估计. 这种方法通过捕获所有出生和死亡来提高数据的准确性,与传统方法不同的是,错过了未注册事件.
科学领域:
- 人口统计学 人口统计学
- 公共卫生 公共卫生
- 流行病学 流行病学
背景情况:
- 卫生和人口监测系统 (HDSS) 对撒哈拉以南非洲的人口数据至关重要.
- 传统的HDSS方法往往低估了新生儿的生命状态,因为数据收集点之间的未登记的出生和死亡.
- 这种数据差距尤其影响到对五岁以下儿童死亡率 (U5M) 的准确估计.
研究的目的:
- 调查怀孕登记对HDSSs中五岁以下死亡率 (U5M) 估计准确性的影响.
- 通过怀孕观察登记的儿童与出生后登记的儿童之间的U5M率进行比较.
- 识别来自不同注册方法的U5M数据中的潜在偏差,例如选择效应.
主要方法:
- 在冈比亚,肯尼亚和南非的三个HDSS地点进行的研究.
- 采用Cox比例危险模型与反向概率权重来分析死亡率数据.
- 对婴儿的死亡风险进行比较,这些婴儿的怀孕已被注册,与出生后首次注册的婴儿相比.
主要成果:
- 观察母亲怀孕的儿童与出生后首次登记的儿童相比,死亡率更高.
- 反向概率加权分析表明,在怀孕队列中改善死亡确定是这种差异的主要驱动因素.
- 有证据表明,观察到的差异不太可能是由于选择效应.
结论:
- 怀孕登记显著提高了HDSS设置中五岁以下死亡率 (U5M) 估计的准确性.
- 将妊娠数据整合到HDSS中对于可靠的生命统计数据至关重要,特别是对于新生儿.
- 通过怀孕登记进行增强的数据确定解决了传统监测方法中存在的关键缺陷.
关键词:
这就是为什么HDSS HDSS.儿童死亡率 儿童死亡率测量时出现的测量误差新生儿死亡率 新生儿死亡率产后死亡率 新生儿死亡率怀孕登记 怀孕登记 怀孕登记怀孕报告 怀孕报告怀孕监测 怀孕监测 怀孕监测撒哈拉以南非洲地区.五岁以下儿童死亡率更多相关视频
相关概念视频
Bias in Epidemiological Studies
1.2K
Biases can arise at various stages of research, from study design and data collection to analysis and interpretation. Recognizing and addressing these biases is essential to ensure the validity and reliability of epidemiological findings.Broadly speaking, biases in epidemiology fall into three main categories: selection bias, information bias, and confounding. A more detailed description of possible biases is:
1.2K
Confounding in Epidemiological Studies
565
Confounding in statistical epidemiology represents a pivotal challenge, referring to the distortion in the perceived relationship between an exposure and an outcome due to the presence of a third variable, known as a confounder. This variable is associated with both the exposure and the outcome but is not a direct link in their causal chain. Its presence can lead to erroneous interpretations of the exposure's effect, either exaggerating or underestimating the true association. This...
565
Regression Toward the Mean
6.8K
Regression toward the mean (“RTM”) is a phenomenon in which extremely high or low values—for example, and individual’s blood pressure at a particular moment—appear closer to a group’s average upon remeasuring. Although this statistical peculiarity is the result of random error and chance, it has been problematic across various medical, scientific, financial and psychological applications. In particular, RTM, if not taken into account, can interfere when...
6.8K
Prevalence and Incidence
1.5K
In statistical epidemiology and health sciences, two essential metrics—prevalence and incidence—are fundamental for understanding disease dynamics within a population. These measures enable public health officials, epidemiologists, and researchers to assess the burden of diseases, allocate resources effectively, and design impactful public health policies and interventions.
Prevalence indicates the proportion of individuals in a population who have a specific disease or health...
Prevalence indicates the proportion of individuals in a population who have a specific disease or health...
1.5K
Relative Risk
1.8K
Relative risk (RR) is a statistical measure commonly used in epidemiology to compare the likelihood of a particular event occurring between two groups. This metric is important for evaluating the relationship between exposure to a specific risk factor and the probability of a particular outcome. It plays a crucial role in medical research, public health studies, and risk assessment. Relative risk quantifies how much more (or less) likely an event is to occur in an exposed group compared to an...
1.8K
Teratogenicity
3.9K
The ability of a drug to produce structural deformations and functional abnormalities in the developing embryo or the fetus is called teratogenicity, and the drug producing this effect is known as a teratogen. Teratogenic effects include stillbirth, miscarriage, intrauterine growth restriction, and neurocognitive delay. A teratogen may affect the embryo at different stages of development, which is important in determining the type and extent of the damage. During blastocyst formation, the early...
3.9K


